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authorHarald Welte <laforge@gnumonks.org>2016-08-01 00:24:19 +0200
committerHarald Welte <laforge@gnumonks.org>2016-08-01 00:27:37 +0200
commitf92e44c5399d8914aad58bd2c74005b3640c5a9d (patch)
tree0add0cd58c448818b33a18a95e48fb53446038c7
parent881dcaf7aa262e3c14c104e49e65cd2ee3bf93c3 (diff)
lapd_core: Fix crash in lapd_dl_flush_hist()
When lapd_dl_flush_hist() was called before we actually had started a transmit history from lapd_dl_init(), we woul segfault before this patch. Change-Id: Ifa677c9b335dd2884b4f3e44699d901957a0500b
-rw-r--r--src/gsm/lapd_core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gsm/lapd_core.c b/src/gsm/lapd_core.c
index fd1e709..fd163c8 100644
--- a/src/gsm/lapd_core.c
+++ b/src/gsm/lapd_core.c
@@ -158,7 +158,7 @@ static void lapd_dl_flush_hist(struct lapd_datalink *dl)
{
unsigned int i;
- if (!dl->range_hist)
+ if (!dl->range_hist || !dl->tx_hist)
return;
for (i = 0; i < dl->range_hist; i++) {